根据表达式做出了矩形缺陷漏磁场的图像；
The rectangular defects'MFL images were drawn on the basis of expressions.
分析了大量缺陷漏磁场数据，选取了量化缺陷外形的漏磁场特征，给出了缺陷外形和漏磁场特征的关系曲线。
Some features of magnetic flux leakage were used to analyze the length, width, depth of defects and their relationship was given.
磁记忆法通过对部件表面漏磁场的检测，可以有效检测管座角焊缝中存在的缺陷，减少泄漏现象的发生。
The magnetic memory method, through examining the leakage magnetic field on the surface of the parts, can effectively find out the defects in fillet joints, which can diminish the leakage.
利用磁偶极子理论，建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.
文中研究了油管局部缺陷和壁厚减薄缺陷的漏磁场检测原理。
Based on the magnetic leakage flux technique, the principle of localized defect inspection and wall thickness measurement in oil well tubing has been researched.
分析了不同类型缺陷的漏磁场分布特征，布置不同方向的检测元件测取不同的缺陷信息；
The characteristics of the magnetic flux leakage of different types of faults were analyzed and the testing elements of various directions were located to get the information of all faults.
根据不同参数的图像研究了矩形缺陷与表面漏磁场分布之间的对应关系。
The relationship between rectangular defects and their MFL surface distribution were studied via images by modifying different parameters.
漏磁检测系统检测实验制定了通过漏磁场判断缺陷信号的特征标准。
The MFL feature standard through which judge defect signals was made in MFL inspection experiment.
漏磁检测系统检测实验制定了通过漏磁场判断缺陷信号的特征标准。
The MFL feature standard through which judge defect signals was made in MFL inspection experiment.
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